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@article{DE_1984_20_8_a3, author = {A. S. Galiullin}, title = {Invariance of action and inverse problems of dynamics}, journal = {Differencialʹnye uravneni\^a}, pages = {1318--1325}, publisher = {mathdoc}, volume = {20}, number = {8}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1984_20_8_a3/} }
A. S. Galiullin. Invariance of action and inverse problems of dynamics. Differencialʹnye uravneniâ, Tome 20 (1984) no. 8, pp. 1318-1325. http://geodesic.mathdoc.fr/item/DE_1984_20_8_a3/